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DPS BRIDGE WORKS CO LTD

Overview
  • Total Patents
    45
  • GoodIP Patent Rank
    220,860
About

DPS BRIDGE WORKS CO LTD has a total of 45 patent applications. Its first patent ever was published in 1997. It filed its patents most often in Japan and Republic of Korea. Its main competitors in its focus markets civil engineering, environmental technology and materials and metallurgy are HANAM CONSTRUCTION INC, CHINA MAJOR BRIDGE ENG CO LTD and STEEL STRUCTURE CO LTD OF CHINA TIESIJU CIVIL ENG GROUP.

Patent filings in countries

World map showing DPS BRIDGE WORKS CO LTDs patent filings in countries
# Country Total Patents
#1 Japan 43
#2 Republic of Korea 2

Patent filings per year

Chart showing DPS BRIDGE WORKS CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hamada Yuzuru 9
#2 Ebina Takayuki 8
#3 Imamura Akihisa 8
#4 Kobayashi Akira 5
#5 Yasumori Hiroshi 5
#6 Kuramochi Haruo 5
#7 Tatsugami Hisao 5
#8 Mori Tadahiro 5
#9 Maruoka Masatomo 4
#10 Fujiwara Hiromi 4

Latest patents

Publication Filing date Title
JP2021001476A Concrete member fall prevention device and fall prevention method
JP2021001475A Concrete member fall prevention device and fall prevention method
JP2009298695A Grout material having thixotropic property
JP2009298696A Grout material having thixotropic property
JP2009264040A Concrete floor slab replacing method
JP2008018933A Pontoon construction method
JP2007254975A Composite girder of steel and concrete, and method of manufacturing the composite girder
JP2007120051A Composite beam structure made of steel and concrete using composite floor slab and construction method for bridge girder having this structure
JP2006097462A Frp plate with anchor implement
JP2005344402A Precast concrete floor slab, and composite floor panel using the same
JP2005306445A Lateral wall members for pre-cast pc tank and joint structure between lateral wall members and bottom plate
JP2004211545A Modifying method of existing bridge beam support part
JP2005240406A Anchoring device for structural member reinforcing tensile material and its structure
JP2005112695A Concrete bar member
JP2005009268A Joint construction between precast concrete girder and concrete floor slab of pc composite girder bridge
JP2005002594A Structure of joint between corrugated steel web and concrete floor slab in corrugated steel web pc bridge
JP2004324362A Tensional device for reinforcing tendon for concrete member or steel member
JP2004286718A Property evaluation device for grout material having thixotropy property
JP2004284930A Grout material having thixotropic property
JP2004098361A Reinforced concrete member